CN209168079U - A kind of touch display unit and electronic whiteboard - Google Patents
A kind of touch display unit and electronic whiteboard Download PDFInfo
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- CN209168079U CN209168079U CN201822036437.7U CN201822036437U CN209168079U CN 209168079 U CN209168079 U CN 209168079U CN 201822036437 U CN201822036437 U CN 201822036437U CN 209168079 U CN209168079 U CN 209168079U
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
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- 239000003990 capacitor Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
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- 238000010586 diagram Methods 0.000 description 5
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- 230000008901 benefit Effects 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
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- 230000035945 sensitivity Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a kind of touch display unit and electronic whiteboard, which includes: at least one capacitance plate；At least one electromagnetic screen；Host；The input terminal of protocol conversion plate, protocol conversion plate is connect with capacitance plate and electromagnetic screen, and the output end of protocol conversion plate is connect with host；Wherein, protocol conversion plate is used to be converted to the touch data that capacitance plate and electromagnetic screen are sent the data of preset protocol.Touch display unit provided by the embodiment of the utility model, by the way that protocol conversion plate is arranged in the touch display unit, so that the capacitance plate and electromagnetic screen in the touch display unit not only can be used alone, it can also be operated on capacitance plate and electromagnetic screen simultaneously, when solving to use two kinds of input methods simultaneously in touch display unit in the prior art, the all idle technical problem of two touch screens, the utilization rate of touch display unit and the working efficiency of user are improved, the user experience of touch display unit is improved.
Description
Technical field
The utility model relates to touch display screen technical fields, and in particular to a kind of touch display unit and electronic whiteboard.
Background technique
Touch technology uses in many products as input control.With smart phone, tablet computer, interactive plate
Universal with the touch control display apparatus such as electronic whiteboard, touch technology is more widely applied.These equipment do not have usually external
The input equipments such as the mouse of keyboard, but use touch-control input as a kind of input method.Touch-control input technology has many points
Class, including electromagnetism input and capacitor input etc..Wherein electromagnetism input using electromagnetic touch pen can in equipment between carry out it is defeated
Enter, mouse action etc. can also be simulated, the input of electromagnetic touch pen is the inductor in time writer writing process with below the panel
The coupled signal variation of generation is slided to identify.And capacitor input can input without using electromagnetic touch pen and directly utilize finger
Touch-control input.
Existing display device is usually the touch display unit for having electromagnetic screen and capacitance plate, which can be simultaneous
Hold electromagnetism input and capacitor inputs two kinds of touch control input methods, while when display device work needing that host computer is cooperated to carry out
It uses.Although existing touch display unit compatible electromagnetism input and capacitor input two kinds of touch control input methods, due to capacitor
Screen is different with two kinds of touch screens reception forms of data of electromagnetic screen, so that two kinds of touch control input methods can only use respectively, when same
When use two kinds of input methods when, two touch screens do not work.
Utility model content
In view of this, the utility model embodiment provides a kind of touch display unit and electronic whiteboard, it is existing to solve
When using two kinds of input methods in technology simultaneously in touch display unit, all idle technical problem of two touch screens.
The utility model proposes technical solution it is as follows:
The utility model embodiment provides a kind of touch display unit, which includes: at least one capacitor
Screen；At least one electromagnetic screen；Host；Protocol conversion plate, the input terminal and the capacitance plate and electromagnetism of the protocol conversion plate
Screen connection, the output end of the protocol conversion plate are connect with the host；Wherein, the protocol conversion plate is used for the capacitor
The touch data that screen and the electromagnetic screen are sent is converted to the data of preset protocol.
Optionally, the touch display unit includes: the capacitance plate, an electromagnetic screen and a master
Machine.
Optionally, the host includes the first host and the second host；First host and second host difference
It is connect with the output end of the protocol conversion plate；The protocol conversion plate is used to for the data of the preset protocol being sent to described
First host and/or second host.
Optionally, the capacitance plate is connect by UART interface or USB interface with the input terminal of the protocol conversion plate；Institute
Electromagnetic screen is stated to connect by UART interface or USB interface with the input terminal of the protocol conversion plate；The host is connect by UART
Mouth or USB interface are connect with the output end of the protocol conversion plate.
Optionally, the touch display unit further include: display screen, first host and/or the second host are connected to
The display screen；Wherein, first host or second host are used to provide vision signal to the display screen.
Optionally, the host is connect by VBO interface or LVDS interface with the display screen.
Optionally, the display screen is liquid crystal display or OLED display screen.
Optionally, interface board is also connected between first host and the protocol conversion plate；Wherein, described first is main
Machine and second host are connected by the interface board.
Optionally, first host is connect by HDMI interface with second host, and first host passes through
UART interface or USB interface are connect with the protocol conversion plate, and second host passes through USB interface and the protocol conversion plate
Connection.
The utility model embodiment also provides a kind of electronic whiteboard, which includes: such as any one of above-described embodiment
The touch display unit.
Touch display unit provided by the embodiment of the utility model, by the way that protocol conversion is arranged in the touch display unit
Plate so that the capacitance plate and electromagnetic screen in the touch display unit not only can be used alone, can also simultaneously in capacitance plate and
It is operated on electromagnetic screen, when solving to use two kinds of input methods simultaneously in touch display unit in the prior art, two touchings
The all idle technical problem of screen is touched, the utilization rate of touch display unit and the working efficiency of user are improved.In addition, the touch
Display device can also realize hand-written pressure sensitivity, blackboard eraser, multiple spot, pen and hand while write and the functions such as writer wipes, when in capacitor
When carrying out above-mentioned touch operation on screen and/or electromagnetic screen, protocol conversion plate can receive the touch that above-mentioned touch operation generates
Data, so that the data for being converted to preset protocol are sent to host, the above-mentioned functional promotion of the protocol conversion plate touches display
The user experience of device.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 shows a kind of structural block diagram of touch display unit according to the utility model embodiment；
Fig. 2 shows the structural block diagrams according to another touch display unit of the utility model embodiment；
Fig. 3 shows the structural block diagram of another touch display unit according to the utility model embodiment；
Fig. 4 shows the structural block diagram of another touch display unit according to the utility model embodiment；
Fig. 5 shows the structural block diagram of another touch display unit according to the utility model embodiment.
Detailed description of the invention:
1- capacitance plate；2- electromagnetic screen；3- protocol conversion plate；4- host；The first host of 41-；The second host of 42-；
43- interface board；5- display screen；6-IO controller.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those skilled in the art's every other embodiment obtained without making creative work, belongs to this reality
With novel protected range.
The utility model provides a kind of touch display unit, as shown in Figure 1, comprising: at least one capacitance plate 1；At least one
A electromagnetic screen 2；Host 4；The input terminal of protocol conversion plate 3, protocol conversion plate 3 is connect with capacitance plate 1 and electromagnetic screen 2, agreement
The output end of change-over panel 3 is connect with host 4；Wherein, protocol conversion plate 3 is used for the touch for sending capacitance plate 1 and electromagnetic screen 2
Data are converted to the data of preset protocol.
Specifically, the touch area of capacitance plate 1 and electromagnetic screen 2 corresponds to the display area of touch display unit；Wherein,
Capacitance plate 1 is used to respond the touch action of finger or palm, and electromagnetic screen 2 is used to respond the touch action of time writer.Capacitance plate 1 is right
The controller answered is capacitance controller, and the corresponding controller of electromagnetic screen 2 is electromagnetic controller.When capacitance plate 1 responds finger or hand
When the touch action of the palm, the information of response is sent to the protocol conversion plate 3 of touch display unit by capacitance controller；Work as electromagnetic screen
When the touch action of 2 response time writers, the information of response is sent to the protocol conversion plate of touch display unit by electromagnetic controller
3。
The touch data that capacitance plate 1 and/or electromagnetic screen 2 respond is received when protocol conversion plate 3 works, according to built in host 4
Operating system, received touch data is converted to the data of preset protocol.Wherein, the data of preset protocol can be man-machine
Interface equipment (Human Interface Device, hid) protocol data, is also possible to the data of other compatible mainframes, host 4
Built-in operating system can be Windows operating system or Android operation system, be also possible to other operating systems, the application
It does not limit this.
Touch display unit provided by the embodiment of the utility model, by the way that protocol conversion is arranged in the touch display unit
Plate 3, so that the capacitance plate 1 and electromagnetic screen 2 in the touch display unit not only can be used alone, it can also be simultaneously in capacitance plate
1 and electromagnetic screen 2 on operated, solve in the prior art in touch display unit simultaneously use two kinds of input methods when, two
The all idle technical problem of a touch screen, improves the utilization rate of touch display unit and the working efficiency of user.In addition, should
Touch display unit can also realize hand-written pressure sensitivity, blackboard eraser, multiple spot, pen and hand while write and the functions such as writer wipes, when
When carrying out above-mentioned touch operation on capacitance plate 1 and/or electromagnetic screen 2, protocol conversion plate 3 can receive above-mentioned touch operation and generate
Touch data, so that the data for being converted to preset protocol are sent to host 4, the above-mentioned functional promotion of the protocol conversion plate 3
The user experience of touch display unit.
As a kind of optional embodiment of the present embodiment, which includes: a capacitance plate, an electromagnetism
Screen and a host.Specifically, the operating system of host can be Windows operating system or Android operation system, can also be with
It is other operating systems, the application does not limit this.
As a kind of optional embodiment of the present embodiment, as shown in Fig. 2, the host of the touch display unit includes:
One host 41 and the second host 42, the first host 41 and the second host 42 are connect with the output end of protocol conversion plate 3 respectively；Agreement
Change-over panel 3 is used to the data of preset protocol being sent to the first host 41 and/or the second host 42.
Specifically, two hosts can install different operating system, can also install identical operating system, two masters
Machine can work at the same time, and be also possible to the first host or the second host works independently, the application does not limit this.
Touch display unit provided by the embodiment of the utility model, first host of the connection of protocol conversion plate 3 41 and second are main
Machine 42, when the work of above-mentioned two mian engine changeover, since protocol conversion plate converts the touch data of capacitance plate 1 and electromagnetic screen 2
For the data of preset protocol, the first host 41 and the second host 42 can receive the data of the preset protocol, therefore not influence
The normal work of capacitance plate 1 or electromagnetic screen 2, when solving mian engine changeover in the prior art, capacitance plate 1 or electromagnetic screen 2 need
The problem of could working normally to about 30 seconds, improves the working efficiency and user experience of user.
As a kind of optional embodiment of the present embodiment, capacitance plate 1 passes through universal asynchronous receiving-transmitting transmitter
(Universal Asynchronous Receiver Transmitter, UART) interface or USB interface and protocol conversion plate 3
Input terminal connection；Electromagnetic screen 2 is connect by UART interface or USB interface with the input terminal of protocol conversion plate 3；Host 4 passes through
UART interface or USB interface are connect with the output end of protocol conversion plate 3.
Specifically, USB interface includes Universal USB interface, and USBTOPC interface and USBSCREEN interface etc., USB interface can
With hot plug, user does not need shutdown and the movement such as is switched on again, USB directly can be plugged use when using external equipment；
The volume " small, light, thin " of USB interface, it is easy to carry；Standard usb interface is unified, convenient to be attached with other equipment；USB connects
Mouth can connect multiple equipment simultaneously, and each equipment room is independent of each other.UART interface include RS232, RS499, RS423,
The interface standard specifications such as RS422 and RS485 and Bus Standard specification are, it is specified that the electrical characteristic of port, transmission rate, connection
The contents such as characteristic and the mechanical property of interface.
As a kind of optional embodiment of the present embodiment, as shown in figure 3, touch display unit further include: display screen 5,
First host 41 and/or the second host 42 are connected to display screen 5；Wherein, the first host 41 or the second host 42 are used for display
Screen 5 provides vision signal.
Specifically, host by VBO (HS) interface or technology of Low Voltage Differential Signaling (Low Voltage
Differential Signaling, LVDS) interface connect with display screen 5.Wherein, the current maximum speed of VBO interface is reachable
Technology similar in the transition modulation differential signal used to 3.75G and HDMI interface, the data being mainly used in display device
Communication, VBO interface is that CLK (clock) is superimposed upon on data-signal, is transmitted with common mode and is compared with HDMI interface, saved
CLK signal line, is used for transmission in closer equipment, requires transmission wire rod very low.LVDS interface utilizes very low
Voltage swing (about 350mV) pass through the transmission of difference progress data, i.e. low pressure on two PCB traces or a pair of of balanced cable
Differential signal transmission can make signal on difference PCB line or balanced cable with several hundred Mbit/s using LVDS output interface
Speed rates low noise and low power consumption transmission are realized using low pressure and low current driving method.
Display screen 5 in the utility model embodiment is liquid crystal display or OLED display screen or other display screens, this Shen
It please not limit this.
As a kind of optional embodiment of the present embodiment, as shown in figure 4, between the second host 42 and protocol conversion plate 3
It is also connected with interface board 43；Wherein, the first host 41 and the second host 42 are connected by interface board 43.Specifically, second is main
Machine 42 can be open pluggable specification (Open Pluggable Specification, OPS) computer, which adopts
With Intel's Duo Processor, it be furnished with memory, hard disk, a variety of input/output interfaces and Windows operation interface, OPS computer
Plug adapter be connector using 80PIN, OPS computer passes through OPS interface board and the first host 41 and protocol conversion plate 3
Connection.Second host 42 uses OPS computer, simplifies installation, use, maintenance and the update of touch display unit, reduces exploitation
And implementation cost, and OPS computer uses fan-free heat dissipation design, guarantees the quiet, salubrious of working environment, while OPS computer
Calorific value is small, low in energy consumption.
As a kind of optional embodiment of the present embodiment, the second host 42 passes through high-definition multimedia interface (High
Definition Multimedia Interface, HDMI) interface and I/0 interface connect with interface board 43.Wherein I/O interface
It can be common input/output interface, for being communicated between the first host 41 and the second host 42, HDMI interface is one
Kind digitized video/audio interface is the tailored version digital interface for being suitble to image transmission, can transmit audio and video letter simultaneously
Number, the maximum data transmission speed is 5Gbps, while without carrying out D/A before signal transmits, alternatively, analog/digital conversion.HDMI
Interface can be used between the first host 41 and the second host 42 carrying out the transmission of audio and video frequency signal.
Specifically, as shown in figure 5, the utility model embodiment provides the first host 41, the second host 42 and display
The connection type of screen 5, when the first host 41 is Android host, the second host 42 is OPS computer, the second host 42 passes through interface
Plate accesses the touch display unit, is attached between the second host 42 and protocol conversion plate 3 by USB data line, and first is main
Machine 41 is connect with the second host 42 by HDMI, passes through USB UART data line between the first host 41 and protocol conversion plate 3
Connection, can also connect I/O controller 6 between the first host 41 and protocol conversion plate, 6 control protocol change-over panel 3 of I/O controller will
The data of preset protocol are sent to the first host 41 or are sent to the first host 41 and the second host 42 simultaneously, the control of the first host 41
Display screen 5 processed shows the vision signal that the first host 41 or the second host 42 provide, in addition, the second host 42 can not also connect
Enter touch display unit, at this point, the data of preset protocol are sent to the first host 41 by protocol conversion plate 3.I/O controller 6 can be with
It is arranged in the first host 41, can also be separately provided.First host 41, the second host and display screen 5 are also possible to other
Connection type, the application do not limit this.
The utility model embodiment additionally provides a kind of electronic whiteboard, which includes any one of above-described embodiment
Touch display unit.Electronic whiteboard uses above-mentioned touch display unit, can built-in multiple main frames, multiple capacitance plates and multiple
Electromagnetic screen, capacitance plate and electromagnetic screen can work at the same time, and when multiple main frames switch over work, not influence multiple capacitance plates
With the normal use of electromagnetic screen, the utilization rate of electronic whiteboard and the working efficiency of user are improved, strengthens the experience sense of user.
Electronic whiteboard provided by the utility model is also possible to interactive plate or touch display unit can be used in other
Equipment, the application do not limit this.
Although being described in conjunction with the accompanying the embodiments of the present invention, those skilled in the art can not depart from this
Various modifications and variations are made in the case where the spirit and scope of utility model, such modifications and variations are each fallen within by appended power
Benefit requires within limited range.
Claims (10)
1. a kind of touch display unit characterized by comprising
At least one capacitance plate；
At least one electromagnetic screen；
Host；
The input terminal of protocol conversion plate, the protocol conversion plate is connect with the capacitance plate and electromagnetic screen, the protocol conversion
The output end of plate is connect with the host；Wherein, the protocol conversion plate is used to send out the capacitance plate and the electromagnetic screen
The touch data sent is converted to the data of preset protocol.
2. touch display unit according to claim 1 characterized by comprising a capacitance plate, described in one
Electromagnetic screen and a host.
3. touch display unit according to claim 1, which is characterized in that the host includes that the first host and second are main
Machine；
First host and second host are connect with the output end of the protocol conversion plate respectively；The protocol conversion plate
For the data of the preset protocol to be sent to first host and/or second host.
4. touch display unit according to claim 3, which is characterized in that
The capacitance plate is connect by UART interface or USB interface with the input terminal of the protocol conversion plate；
The electromagnetic screen is connect by UART interface or USB interface with the input terminal of the protocol conversion plate；
The host is connect by UART interface or USB interface with the output end of the protocol conversion plate.
5. touch display unit according to claim 4, which is characterized in that further include:
Display screen, first host and/or the second host are connected to the display screen；Wherein, first host or described
Second host is used to provide vision signal to the display screen.
6. touch display unit according to claim 5, which is characterized in that the host is connect by VBO interface or LVDS
Mouth is connect with the display screen.
7. touch display unit according to claim 6, which is characterized in that the display screen is that liquid crystal display or OLED are shown
Screen.
8. touch display unit according to claim 3, which is characterized in that second host and the protocol conversion plate
Between be also connected with interface board；Wherein, first host and second host are connected by the interface board.
9. touch display unit according to claim 3, which is characterized in that second host passes through HDMI interface and institute
The connection of the first host is stated, first host is connect by UART interface or USB interface with the protocol conversion plate, and described second
Host is connect by USB interface with the protocol conversion plate.
10. a kind of electronic whiteboard characterized by comprising such as the described in any item touch display units of claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822036437.7U CN209168079U (en) | 2018-12-05 | 2018-12-05 | A kind of touch display unit and electronic whiteboard |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822036437.7U CN209168079U (en) | 2018-12-05 | 2018-12-05 | A kind of touch display unit and electronic whiteboard |
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| Publication Number | Publication Date |
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| CN209168079U true CN209168079U (en) | 2019-07-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111147782A (en) * | 2019-12-27 | 2020-05-12 | 深圳市创维群欣安防科技股份有限公司 | A 4K HDMI signal transmission circuit and tablet computer |
| CN114610668A (en) * | 2022-03-02 | 2022-06-10 | 宝德计算机系统股份有限公司 | Method and device for interaction between intelligent serial port screen and BMC |
-
2018
- 2018-12-05 CN CN201822036437.7U patent/CN209168079U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111147782A (en) * | 2019-12-27 | 2020-05-12 | 深圳市创维群欣安防科技股份有限公司 | A 4K HDMI signal transmission circuit and tablet computer |
| CN111147782B (en) * | 2019-12-27 | 2022-05-03 | 深圳创维数字技术有限公司 | 4K HDMI signal transmission circuit and panel computer |
| CN114610668A (en) * | 2022-03-02 | 2022-06-10 | 宝德计算机系统股份有限公司 | Method and device for interaction between intelligent serial port screen and BMC |
| CN114610668B (en) * | 2022-03-02 | 2024-03-26 | 宝德计算机系统股份有限公司 | Method and device for interaction between intelligent serial port screen and BMC |
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